Henan Bosean Electronic Technology Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 1000PCS/DAY |
| Delivery Time | 5-8 WORK DAYS |
| Packaging Details | each set detector alarm will be packed with the export standard carton package or aluminum box or as per customer require |
| Product Name | Bh-4s Multi Gas Detector Alarm |
| Size | 145*69*28mm |
| Detecting Gas | Co, H2s, O2, Lel |
| Alarm Type | Sound+Light+Vibration+Visual |
| Display | LCD Screen |
| Response Time | 30s |
| Work Temperature | -20~60 Degree |
| Certificate | Atex |
| Sampling Method | Diffusion Sampling |
| Application | 12 Months |
| Brand Name | Bosean |
| Model Number | BH-4S |
| Certification | CE,FCC,ATEX,ROHS,SIL |
| Place of Origin | Zhengzhou,Henan,China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 1000PCS/DAY |
| Delivery Time | 5-8 WORK DAYS | Packaging Details | each set detector alarm will be packed with the export standard carton package or aluminum box or as per customer require |
| Product Name | Bh-4s Multi Gas Detector Alarm | Size | 145*69*28mm |
| Detecting Gas | Co, H2s, O2, Lel | Alarm Type | Sound+Light+Vibration+Visual |
| Display | LCD Screen | Response Time | 30s |
| Work Temperature | -20~60 Degree | Certificate | Atex |
| Sampling Method | Diffusion Sampling | Application | 12 Months |
| Brand Name | Bosean | Model Number | BH-4S |
| Certification | CE,FCC,ATEX,ROHS,SIL | Place of Origin | Zhengzhou,Henan,China |
| High Light | portable multi gas detector ，multi gas detector with pump | ||
BH-4s portable multi gas detector could detect combustible gas, O2 and other two types toxic gases continuously and simultaneously. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry,
so as to protect the workers' life and avoid damage on the relevant equipments.
| Operating & Storage Environment | Temperature: -20°C~55°C (-4F~122F) Humidity: 5%-95% (Relative humidity non-condensing) Pressure: 95~110kPa | ||
| Sampling method | Diffusion type | ||
| Detecting Range | CO: 0~1000ppm H2S:0~100 PPM O2: 0~30%vol Combustible Explosive Gas (Ex / LEL / CH4): 0~100%LEL | ||
| Sensor | O2 /H2S / CO: plug-in electrochemical sensor | ||
| Alarm Type | low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm | ||
| Resolution | 0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX) | ||
| Accuracy | 3% F.S | ||
| Response time | 10s | ||
| Repeatability | 1% | ||
| Zero drift | 1% | ||
| Data record | 500 pcs of data storage | ||
| Display | Alphanumeric large LCD displays the real time gas concentration and alarm stage | ||
| Backlight | Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down. | ||
| Self-checking Function | Self-checking Battery power, display, sensor, hardware failure | ||
| Explosion-proof | EXiaIICT4 | ||
| Protection grade | IP65 | ||
| Power Supply | Rechargeable lithium battery | ||
1) Advanced MCU control with low power consumption
2) Adjustable low and high alarm level
3) Adjustable calibrating level
4) High concentration protection for combustible gas
5) Self test for the combustible gas sensor
6) Low battery indication
7) Replaceable sensor module
8) Self-adjustment function
9) Visual and audible alarm with vibration
10) STEL and TWA alarming for toxic gases
11) Advanced self-examination and self-renovation function
12) Password management to avoid wrong operation
13) Explosive proof housing
Application
The detector is suitable for explosion-proof, toxic gas leakage and rescue, underground pipelines, mines, metallurgy, power plants, chemicals, tunnels, etc., effectively avoiding the occurrence of poisoning accidents, ensuring the safety of workers and avoiding losses of production equipment.
| No | Detecting Gas | Gas | Measure Range | Resolution | Alarm Point (High / Low) |
| 1 | Combustible Gas | EX | 0-100%LEL /0-100%VOL | 1%LEL/1%VOL | 20 / 50% LEL |
| 2 | Oxygen | O2 | 0-25% /30%VOL | 0.1%VOL | 19.5% / 23.5%VOL |
| 3 | Hydrogen Sulfide | H2S | 0-50/100/200/1000 ppm | 0.1 ppm | 10 / 20 ppm |
| 4 | Carbon Monoxide | CO | 0-500/1000/2000/5000 ppm | 1 ppm | 50 / 150 ppm |
| 5 | Nitrogen Dioxide | NO2 | 0-20/50/1000 ppm | 0.1 ppm | 5 / 10 ppm |
| 6 | Nitric Oxide | NO | 0-250/500/1000 ppm | 1 ppm | 50 / 150 ppm |
| 7 | Carbon Dioxide | CO2 | 0-5000 ppm /0-1%/5%/10%VOL | 1 ppm/0.1%VOL | 1000 /2000 ppm |
| 8 | Sulfur Dioxide | SO2 | 0-20/50/100/200/1000 ppm | 0.1 /1 ppm | 5 / 10 ppm |
| 9 | Chlorine | CL2 | 0-20/100/1000 ppm | 0.1 ppm | 5 / 10 ppm |
| 10 | Ammonia | NH3 | 0-50/100/500/1000 ppm | 0.1 ppm | 20 / 50 ppm |
| 11 | Hydrogen | H2 | 0-1000/5000 ppm | 1 ppm | 50 /150 ppm |
| 12 | Phosphine | PH3 | 0-5/20/50/100/500/1000 ppm | 0.1 ppm | 5 / 10 ppm |
| 13 | Hydrogen Chloride | HCL | 0-20/500/1000 ppm | 0.01/0.1 ppm | 5 / 10 ppm |
| 14 | Chlorine Dioxide | CLO2 | 0-10/50/100 ppm | 0.1 ppm | 5 / 10 ppm |
| 15 | Hydrogen Cyanide | HCN | 0-50/100 ppm | 0.01/0.1 ppm | 10 / 20 ppm |
| 16 | Ethylene Oxide | C2H4O | 0-10/20/50/100/200/500 ppm | 0.1 /1 ppm | 20 / 50 ppm |
| 17 | Ozone | O3 | 0-10/20/100 ppm | 0.1 ppm | 2 / 5 ppm |
| 18 | Formaldehyde | CH2O | 0-20/50/100 ppm | 0.1 /1 ppm | 5 / 10 ppm |
| 19 | Hydrogen Fluoride | HF | 0-1/10/50/100 ppm | 0.01 /0.1 ppm | 2 / 5 ppm |
| 20 | Methylbenzene | 0-1/10/20/50/100 ppm | 0.01 /0.1 ppm | 5 / 10 ppm |
Note: The above table is a general parameter. If you need other gas and range, please contact our online customer service.
Company Details
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
2500000-3000000
Employee Number:
150~200
Ecer Certification：
Active Member
Founded in 2013, BOSEAN Electronics is headquartered in Zhengzhou High-tech Zone. It is a company specializing in gas detector, SMT patches, laser range finder, etc.. Adhering to the development concept of user-led & technology-led, BOSEAN is a high-tech enterprise integrating R&D, design, p... Founded in 2013, BOSEAN Electronics is headquartered in Zhengzhou High-tech Zone. It is a company specializing in gas detector, SMT patches, laser range finder, etc.. Adhering to the development concept of user-led & technology-led, BOSEAN is a high-tech enterprise integrating R&D, design, p...
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